.page-contact {
  --ct-gap: clamp(1.25rem, 3vw, 2.5rem);
  --ct-pad-y: clamp(3rem, 7vw, 6rem);
}

/* ---------- 面包屑 ---------- */
.page-contact .crumbs {
  padding: 1.5rem 0 .75rem;
}
.page-contact .crumbs__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .45rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .08em;
  color: var(--on-dark-muted);
}
.page-contact .crumbs__item + .crumbs__item::before {
  content: "/";
  margin-right: .45rem;
  color: rgba(243, 241, 234, .38);
}
.page-contact .crumbs__item a {
  color: var(--on-dark-muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur-2) ease, color var(--dur-2) ease;
}
.page-contact .crumbs__item a:hover {
  color: var(--sand-200);
  border-bottom-color: var(--sand-500);
}
.page-contact .crumbs__item [aria-current="page"] {
  color: var(--sand-200);
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  position: relative;
  overflow: hidden;
  padding-bottom: var(--ct-pad-y);
}
.page-contact .ct-hero__wrap {
  position: relative;
  z-index: 1;
}
.page-contact .ct-hero::after {
  content: "";
  position: absolute;
  right: -18%;
  bottom: -42%;
  width: 62%;
  aspect-ratio: 1 / 1;
  background: linear-gradient(135deg, rgba(200, 162, 74, .16), rgba(47, 212, 198, .05) 62%, transparent);
  transform: rotate(42deg);
  pointer-events: none;
}
.page-contact .ct-hero::before {
  content: "";
  position: absolute;
  left: -8%;
  top: 32%;
  width: 34%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(200, 162, 74, .5), transparent);
  pointer-events: none;
}

.page-contact .ct-hero__grid {
  display: grid;
  gap: var(--ct-gap);
  align-items: center;
  padding-top: clamp(1rem, 3vw, 2.25rem);
}

.page-contact .ct-hero .eyebrow {
  color: var(--sand-500);
}

.page-contact .ct-hero h1 {
  margin: .6rem 0 1rem;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.85rem, 5.6vw, 3.35rem);
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--paper-050);
}

.page-contact .ct-hero .lede {
  margin: 0;
  max-width: 54ch;
  font-family: var(--font-body);
  font-size: clamp(.98rem, 2.2vw, 1.06rem);
  line-height: 1.95;
  color: var(--on-dark);
}

.page-contact .ct-hero__quick {
  margin: 1.75rem 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-dark);
}
.page-contact .ct-hero__quick li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: .3rem .9rem;
  padding: .72rem 0;
  border-bottom: 1px solid var(--line-dark);
}
.page-contact .ct-hero__qk {
  flex: 0 0 auto;
  min-width: 4.6em;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .14em;
  color: var(--slate-400);
}
.page-contact .ct-hero__qv {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(.82rem, 2.6vw, .95rem);
  letter-spacing: -0.01em;
  color: var(--sand-200);
  overflow-wrap: anywhere;
}

.page-contact .ct-hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
  margin-top: 1.75rem;
}

.page-contact .ct-hero__fig {
  margin: 0;
  border: 1px solid var(--line-dark);
  background: rgba(243, 241, 234, .03);
  padding: .5rem;
}
.page-contact .ct-hero__fig .media-frame {
  border-radius: var(--radius);
}

/* ---------- 通用：章节小标题 ---------- */
.page-contact .section h2 {
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: -0.015em;
  line-height: 1.22;
  font-size: clamp(1.35rem, 3.6vw, 2.05rem);
  margin: 0 0 1rem;
}
.page-contact .section--paper h2,
.page-contact .section--sand h2 {
  color: var(--ink-900);
}
.page-contact .section--deep h2,
.page-contact .section--mid h2 {
  color: var(--paper-050);
}

/* ---------- 壹 · 联系入口 ---------- */
.page-contact .ct-entry {
  padding-top: var(--ct-pad-y);
  padding-bottom: var(--ct-pad-y);
}
.page-contact .ct-entry .chapter {
  margin-bottom: var(--ct-gap);
}
.page-contact .ct-entry__grid {
  align-items: start;
}
.page-contact .ct-entry__lead h2 {
  margin-top: 0;
}
.page-contact .ct-entry__lead p {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.02rem;
  line-height: 1.95;
  color: var(--slate-400);
}
.page-contact .ct-entry__body.prose p {
  margin-top: 0;
  margin-bottom: 1.1rem;
}
.page-contact .ct-entry__body.prose p:last-child {
  margin-bottom: 0;
}

/* ---------- 贰 · 邮件与电话 ---------- */
.page-contact .ct-channels {
  padding-top: var(--ct-pad-y);
  padding-bottom: calc(var(--ct-pad-y) + 3rem);
  position: relative;
  overflow: hidden;
}
.page-contact .ct-channels .chapter {
  margin-bottom: 1.1rem;
}
.page-contact .ct-channels__h {
  max-width: 30ch;
}
.page-contact .ct-channels__grid {
  display: grid;
  gap: 1.15rem;
  margin-top: 2rem;
}
.page-contact .ct-channel {
  position: relative;
  padding: clamp(1.35rem, 3.4vw, 2.35rem) clamp(1.1rem, 2.8vw, 1.9rem);
  background: linear-gradient(158deg, rgba(243, 241, 234, .075), rgba(243, 241, 234, .015));
  border: 1px solid var(--line-dark);
  border-left: 3px solid var(--sand-500);
  border-radius: var(--radius);
  overflow: hidden;
  transition: background var(--dur-2) ease, border-color var(--dur-2) ease;
}
.page-contact .ct-channel--phone {
  border-left-color: var(--cyan-400);
}
.page-contact .ct-channel:hover {
  background: linear-gradient(158deg, rgba(243, 241, 234, .11), rgba(243, 241, 234, .03));
  border-color: rgba(200, 162, 74, .38);
}
.page-contact .ct-channel--phone:hover {
  border-color: rgba(47, 212, 198, .38);
}
.page-contact .ct-channel__k {
  margin: 0 0 .55rem;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .18em;
  color: var(--slate-400);
}
.page-contact .ct-channel__v {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  font-size: clamp(1rem, 4.3vw, 1.78rem);
  line-height: 1.3;
  letter-spacing: -0.015em;
  color: var(--paper-050);
  overflow-wrap: anywhere;
}
.page-contact .ct-channel--mail .ct-channel__v {
  color: var(--sand-200);
}
.page-contact .ct-channel--phone .ct-channel__v {
  color: var(--cyan-400);
}
.page-contact .ct-channel__d {
  margin: 1rem 0 0;
  font-family: var(--font-body);
  font-size: .95rem;
  line-height: 1.9;
  color: var(--on-dark);
}
.page-contact .ct-channel__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
  margin-top: 1.35rem;
}
.page-contact .ct-channel__note {
  margin: 1.1rem 0 0;
  padding-top: .85rem;
  border-top: 1px solid var(--line-dark);
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .04em;
  line-height: 1.8;
  color: var(--slate-400);
}

/* ---------- 叁 · 服务中心 ---------- */
.page-contact .ct-loc {
  padding-top: var(--ct-pad-y);
  padding-bottom: var(--ct-pad-y);
}
.page-contact .ct-loc .chapter {
  margin-bottom: var(--ct-gap);
}
.page-contact .ct-loc__grid {
  display: grid;
  gap: var(--ct-gap);
  align-items: start;
}
.page-contact .ct-loc__fig {
  margin: 0;
}
.page-contact .ct-loc__fig .media-frame {
  background: var(--paper-050);
  border: 1px solid var(--line);
  padding: .5rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}
.page-contact .ct-loc__cap {
  margin: .7rem 0 0;
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .1em;
  color: var(--slate-400);
}
.page-contact .ct-loc__body h2 {
  margin-top: 0;
}
.page-contact .ct-loc__addr {
  margin: 0 0 1.35rem;
  padding: .95rem 1.1rem;
  background: var(--sand-200);
  border-left: 3px solid var(--sand-500);
  font-family: var(--font-body);
  font-size: clamp(.95rem, 2.4vw, 1.05rem);
  line-height: 1.8;
  color: var(--ink-900);
}
.page-contact .ct-loc__body.prose p {
  margin-top: 0;
  margin-bottom: 1rem;
}
.page-contact .ct-loc__body.prose p:last-child {
  margin-bottom: 0;
}

/* ---------- 肆 · 咨询前准备 ---------- */
.page-contact .ct-prep {
  padding-top: var(--ct-pad-y);
  padding-bottom: var(--ct-pad-y);
}
.page-contact .ct-prep .chapter {
  margin-bottom: var(--ct-gap);
}
.page-contact .ct-prep__grid {
  align-items: start;
}
.page-contact .ct-prep__lead h2 {
  margin-top: 0;
}
.page-contact .ct-prep__lead p {
  margin: 0;
  max-width: 34ch;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.95;
  color: var(--ink-900);
}

.page-contact .ct-checklist {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: ct-item;
  border-top: 1px solid var(--line-strong);
}
.page-contact .ct-checklist li {
  counter-increment: ct-item;
  position: relative;
  padding: 1rem 0 1rem 3rem;
  border-bottom: 1px solid var(--line);
}
.page-contact .ct-checklist li::before {
  content: counter(ct-item, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1.1rem;
  font-family: var(--font-mono);
  font-size: .76rem;
  font-weight: 700;
  letter-spacing: .1em;
  font-variant-numeric: tabular-nums;
  color: var(--sand-500);
}
.page-contact .ct-checklist li::after {
  content: "";
  position: absolute;
  left: 1.85rem;
  top: 1.55rem;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--jade-500);
  opacity: .85;
}
.page-contact .ct-checklist__t {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: .98rem;
  line-height: 1.6;
  color: var(--ink-900);
}
.page-contact .ct-checklist__d {
  display: block;
  margin-top: .3rem;
  font-family: var(--font-body);
  font-size: .93rem;
  line-height: 1.85;
  color: var(--slate-400);
}

/* ---------- 伍 · 回复时效 ---------- */
.page-contact .ct-sla {
  padding-top: var(--ct-pad-y);
  padding-bottom: var(--ct-pad-y);
}
.page-contact .ct-sla .chapter {
  margin-bottom: 1.1rem;
}
.page-contact .ct-sla h2 {
  max-width: 26ch;
}
.page-contact .ct-sla__grid {
  display: grid;
  gap: 1rem;
  margin-top: 2rem;
}
.page-contact .ct-sla__cell {
  padding: 1.4rem 1.2rem;
  background: var(--paper-050);
  border: 1px solid var(--line);
  border-top: 2px solid var(--sand-500);
  border-radius: var(--radius);
}
.page-contact .ct-sla__num {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2rem, 6vw, 2.9rem);
  line-height: 1;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
  color: var(--indigo-800);
}
.page-contact .ct-sla__num span {
  display: inline-block;
  margin-left: .35rem;
  font-family: var(--font-body);
  font-weight: 400;
  font-size: .82rem;
  letter-spacing: .04em;
  color: var(--slate-400);
}
.page-contact .ct-sla__label {
  margin: .85rem 0 0;
  font-family: var(--font-body);
  font-size: .92rem;
  line-height: 1.75;
  color: var(--ink-900);
}
.page-contact .ct-sla__note {
  margin-top: clamp(1.5rem, 4vw, 2.25rem);
  padding-left: 1.1rem;
  border-left: 2px solid var(--sand-200);
}
.page-contact .ct-sla__note p {
  margin-top: 0;
  margin-bottom: .9rem;
}
.page-contact .ct-sla__note p:last-child {
  margin-bottom: 0;
}

/* ---------- 陆 · 合作与纠错 ---------- */
.page-contact .ct-partner {
  padding-top: var(--ct-pad-y);
  padding-bottom: var(--ct-pad-y);
}
.page-contact .ct-partner .chapter {
  margin-bottom: 1.1rem;
}
.page-contact .ct-partner__h {
  max-width: 30ch;
}
.page-contact .ct-partner__lede {
  max-width: 52ch;
  margin: 0 0 2rem;
}

.page-contact .ct-acc {
  border-top: 1px solid var(--line-dark);
}
.page-contact .ct-acc__h {
  margin: 0;
  font-size: inherit;
  font-weight: inherit;
}
.page-contact .ct-acc .acc__item {
  border-bottom: 1px solid var(--line-dark);
}
.page-contact .ct-acc .acc__btn {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  width: 100%;
  padding: 1.15rem 2.5rem 1.15rem 0;
  text-align: left;
  background: transparent;
  border: 0;
  cursor: pointer;
  position: relative;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(.98rem, 2.6vw, 1.1rem);
  line-height: 1.6;
  color: var(--paper-100);
  transition: color var(--dur-2) ease;
}
.page-contact .ct-acc .acc__btn:hover {
  color: var(--sand-200);
}
.page-contact .ct-acc .acc__btn::after {
  content: "";
  position: absolute;
  right: .3rem;
  top: 50%;
  width: 11px;
  height: 11px;
  margin-top: -6px;
  border-right: 1.5px solid var(--sand-500);
  border-bottom: 1.5px solid var(--sand-500);
  transform: rotate(45deg);
  transition: transform var(--dur-3) ease;
}
.page-contact .ct-acc .acc__btn[aria-expanded="true"]::after {
  transform: rotate(-135deg);
  margin-top: -2px;
}
.page-contact .ct-acc__idx {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: .74rem;
  letter-spacing: .12em;
  color: var(--sand-500);
  font-variant-numeric: tabular-nums;
}
.page-contact .ct-acc__t {
  flex: 1 1 auto;
}
.page-contact .ct-acc .acc__panel {
  overflow: hidden;
}
.page-contact .ct-acc .acc__panel[hidden] {
  display: none;
}
.page-contact .ct-acc .acc__panel-inner {
  padding: 0 0 1.35rem 2.4rem;
  max-width: 68ch;
  font-family: var(--font-body);
  font-size: .95rem;
  line-height: 1.95;
  color: var(--on-dark);
}
.page-contact .ct-acc .acc__panel-inner p {
  margin: 0;
}

/* ---------- 媒体查询 ---------- */
@media (min-width: 760px) {
  .page-contact .ct-sla__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.25rem;
  }
}

@media (min-width: 880px) {
  .page-contact .ct-hero__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(2rem, 5vw, 4.5rem);
  }
  .page-contact .ct-channels__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: clamp(1.5rem, 4vw, 2.75rem);
  }
  .page-contact .ct-channel--phone {
    transform: translateY(2.75rem);
  }
  .page-contact .ct-loc__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(2rem, 5vw, 3.5rem);
  }
  .page-contact .ct-loc__fig {
    position: sticky;
    top: 6.5rem;
  }
}

@media (min-width: 1024px) {
  .page-contact .ct-acc .acc__panel-inner {
    padding-left: 2.9rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-acc .acc__btn,
  .page-contact .ct-acc .acc__btn::after,
  .page-contact .ct-channel,
  .page-contact .crumbs__item a {
    transition: none;
  }
  .page-contact .ct-channel--phone {
    transform: none;
  }
}
<<<END>>>